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  1. Family: Acanthaceae Juss.
    1. Genus: Acanthopale C.B.Clarke
      1. Acanthopale laxiflora (Lindau) C.B.Clarke

        This species is accepted, and its native range is N. Tanzania.

    [FTEA]

    Acanthaceae (part 2), Kaj Vollesen. Flora of Tropical East Africa. 2008

    Type
    Type: Tanzania, Lushoto District: Usambara Mts, Magamba Forest, Holst 3840 (B†, holo.)
    Habit
    Shrubby herb or soft-wooded shrub to 3 m tall; young stems winged, with appressed hairs at nodes (rarely along whole internode or glabrous)
    Leaves
    Leaves with petiole 1–4 cm long on larger leaves without or with a few long spreading hairs on edges; lamina ovate to elliptic, largest 6.5–15(–18.5) × 2.5–5(–7) cm, apex acuminate to cuspidate, base attenuate, with scattered hairs along midrib and veins beneath and with a few hairs on lamina above
    Flowers
    Flowers in elongated racemes up to 16 cm long; peduncle up to 1.5 cm long, winged, glabrous or with sparse appressed hairs; internodes to 3.5 cm long, winged; bracts sometimes purplish; pedicels to 1 mm long; bracteoles linear to oblanceolate, 10–16 mm long, sometimes with apical part recurved, glabrous or with appressed hairs on midrib, with a few spreading hairs on edges near base, sometimes also with stalked capitate glands
    Calyx
    Calyx 7–12 mm long, glabrous or sparsely sericeous along midrib, with short spreading hairs on margin, sometimes also with stalked capitate glands, lobes linear, subacute or obtuse
    Corolla
    Corolla white with purple throat or with purple lines in throat, sparsely hairy in a narrow a dorsal band; tube below attachment of stamens 5–8 mm long, throat 13–20 mm long and 10–20 mm in diameter apically, lobes 4–7 mm long, acute or bifid at apex
    Filaments
    Free part of filaments 7–10 and 10–13 mm long, only hairy at the very base; anthers 3–4 mm long; ventral stigma lobe ± 3 mm long
    Fruits
    Capsule 13–14 mm long
    Seeds
    Seed not seen.
    Ecology
    Wet evergreen montane forest; (1250–)1800–2300 m
    Note
    Superficially close to the West African A. decempedalis but with a different bract- and calyx indumentum. Mass flowering and subsequent dying back occurred on Mt Kilimanjaro in 1992 and 1993 (Grimshaw, pers. comm.).
    Distribution
    Range: Not known elsewhere Flora districts: T2 T3

    Images

    Distribution

    Native to:

    Tanzania

    Synonyms

    Other Data

    Acanthopale laxiflora (Lindau) C.B.Clarke appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 2000 Johnston, H.H. [12], Tanzania K000394196 holotype

    Bibliography

    First published in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 5: 63 (1899)

    Accepted by

    • Vollesen, K. (2008). Flora of Tropical East Africa, Acanthaceae(1): 1-285.
    • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 529. MIM, Deurne.

    Literature

    Flora of Tropical East Africa

    • Ruffo et al., Cat. Lushoto Herb. Tanzania: 1 (1996), as taxiflora.
    • Symb. Bot. Ups. 29(3): 160 (1991)
    • T.T.C.L.: 1 (1949)
    • F.T.A. 5: 63 (1899), excl. specim. ex Cameroon

    Sources

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0